Question: 3 Maria solved the equation 7d 56 and found the solution She can check her solution by substituting 7 8 7 8 7d 56 56

3 Maria solved the equation 7d 56 and found the solution

3 Maria solved the equation 7d 56 and found the solution She can check her solution by substituting 7 8 7 8 7d 56 56 56 It checks for d in the original equ

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